Alert archive / New Jersey / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

June 14, 2021Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 14, 2021, 5:53 PM EDT for Sussex County, New Jersey. It was in force for 37 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 14, 2021, 5:53 PM EDT (21:53 UTC)
Expired
Jun 14, 2021, 6:30 PM EDT
In force
37 min
Issued by
NWS Philadelphia/Mount Holly

County Sussex County, NJ

What was reported inside it

TimeReportWhereRemark
Jun 14, 6:00 PM EDTTSTM WND DMG1 Nnw Knowlton Twp, NJDOWNED TREES AND WIRES NEAR STONY BROOK ROAD. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.9 hours before the alert went out and 179 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2021-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2021-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
687 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

970 
WWUS81 KPHI 142153
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
553 PM EDT Mon Jun 14 2021

NJZ001-007-PAZ055-062-142230-
Sussex-Warren-Monroe-Northampton-
553 PM EDT Mon Jun 14 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WESTERN SUSSEX...
NORTHERN WARREN...EASTERN MONROE AND NORTHEASTERN NORTHAMPTON
COUNTIES...

At 553 PM EDT, radar indicated strong thunderstorms were located
along a line extending from 6 miles northwest of Werry Lake to East
Bangor. Movement was east at 35 mph.

Wind gusts up to 40 mph are possible with these storms.

Locations impacted include...
Montague, East Stroudsburg, Blairstown, Bangor, Pen Argyl, Hope, East
Bangor, Werry Lake, Millbrook, Delaware Water Gap, Crandon Lakes,
Hainesville, Flatbrookville, Great Meadows-Vienna, Five Points,
Columbia, Echo Lake, Allamuchy-Panther Valley, Stroudsburg and
Roseto.

This includes the following highways...
 Interstate 80 in Pennsylvania between mile markers 310 and 314.
 Interstate 80 in New Jersey between mile markers 0 and 18.

If outdoors, consider seeking shelter inside a building.

LAT...LON 4086 7487 4085 7526 4122 7514 4115 7515
      4114 7509 4108 7503 4109 7500 4116 7490
      4129 7483 4135 7475 4135 7470
TIME...MOT...LOC 2153Z 260DEG 29KT 4116 7510 4090 7519 

$$

Staarmann

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 14, 6:24 PM EDTSpecial Weather StatementPHISussex36 min
Jun 14, 6:33 PM EDTSpecial Weather StatementPHIMiddlesex, Monmouth27 min
Jun 14, 6:48 PM EDTSevere Thunderstorm WarningPHIMorris, Somerset, Sussex42 min
Jun 14, 7:02 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Monmouth43 min
Jun 14, 7:14 PM EDTAreal Flood AdvisoryPHIMiddlesex, Monmouth2 hr
Jun 14, 7:55 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Morris, Somerset32 min
Jun 14, 4:15 PM EDTSevere Thunderstorm WarningPHIBerks, Carbon, Lehigh, Monroe, Northampton60 min
Jun 14, 5:29 PM EDTSpecial Weather StatementPHIMonroe31 min
Jun 14, 7:55 PM EDTSevere Thunderstorm WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia50 min

Nearby

Special Weather Statements in New Jersey, 2021Every special weather statement in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.